Which of these is not a solid:
a. extruded circle
b. swept rectangle
c. torus
d. helix
d. helix
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When doing a water system balance, how should the final water flow rate at all units be set?
a. 100 percent of design flow b. Within ±10 percent of design flow c. 105 percent of design flow d. Above 85 percent of design flow
Which of the following statements is LEAST-Likely true?
A. Commercial rebuilders decide whether to replace a bearing by spinning it while "listening" with a special device that can tell if it makes too much noise. B. If a bearing is tight or feels rough, replace it. C. Most starters use bushings because the armature rotates for long periods like an alternator. D. Inspect bearings visually and by feeling them for roughness.
On an air-cooled semi-hermetic compressor the most likely cause of piston wear allowing “blowby” of vapor into the crankcase is __________.
a. Slugging b. Flooding c. Starving d. Flooded start
Use the accompanying figure. During which month is the least amount earned?
A. January B. May C. November D. December